Phelan–McDermid Syndrome in Pediatric Patients With Novel Mutations: Genetic and Phenotypic Analyses oleh Liang Chen, Zhi-ye Yao, Xiangtao Wu, Shao-ru He, Yu-mei Liu, Xue-yan Wang, De-zhi Cao, Xing-kun Yang, Jian-bo Zhao, Zi Ren, Hong Li, Zheng Pei, Hong-ke Ding, Zhi-chun Feng